Here is a Williams 47209 O Gauge Canadian National Gondola

Rear end wall has cut lines for optional door openings

and E-Z mate® mark II couplers

Both rails are separated or gapped on this section of track that can be used for many purposes

Kato 40-021 N 4-7/8" Street Track to UniTrack Conversion Track (Pack of 2) ProductID_11982249 Here is a Williams 47209This is a Kato 40 021 N Scale Unitram 4 7 8 Street Track to UniTrack Conversion Track (Pack of 2). Long desired by modelers looking to create urban and city type environments in which to operate their trains (be it for inner city trams or to replicate heavier weight train lines that allow freight and commuter lines to run through city centers), UNITRAM offers a versatile street track system that integrates with the included road places to create the